Optimized Performance: The TMC2209 V4.0 stepper motor driver ensures quiet and precise operation, ideal for 3D printing applications. It supports a voltage range of 5.5–28V and current up to 2.8A, making it versatile for various setups. Advanced Microstepping: This driver enhances microstepping capabilities, providing smoother and more accurate prints. The included heatsink effectively dissipates heat, prolonging the life of the driver and maintaining optimal performance. Quiet Operation: Designed with stealthChop2 technology, the TMC2209 V4.0 offers ultra-quiet stepper motor performance, ideal for reducing noise in shared environments or during nighttime printing. Hardware compatible with StepStick and A4988 Drive capability up to 1.7A (RMS) continuous coil current – 2.8A Step/Dir interface with microstep interpolation (up to 256 microsteps) Configuration via pins or UART interface Motor voltage: 5.5–28V Logic voltage: 3.3–5V RSense: 0.11 Ohm stealthChop2 – for quiet operation and smooth motion spreadCycle – highly dynamic motor control chopper (enableable via UART, OTP, Pin) coolStep – current control for energy savings stallGuard4 – sensorless motor load detection Color: Black Material: PCB Due to different product batches, the appearance may vary slightly, which does not affect functionality. Package Contents: 1 x Stepper Motor Driver kit Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1–3 cm.